Remove race detector since it doesn't seem to work on Travis since go 1.6 and I can't work out what's up with it.
Remove race detector since it doesn't seem to work on Travis since go 1.6 and I can't work out what's up with it.

thought-machine/please,thought-machine/please,thought-machine/please,thought-machine/please,thought-machine/please,thought-machine/please